<template>
  <div id="map" style="height: 100%; width: 100%;" />
</template>
<script>
import echarts from 'echarts'
import { map } from '../map.js'

export default {
  name: 'Map',
  data() {
    return {
      geoJson: map
    }
  },
  computed: {
  },
  created() {

  },
  mounted() {
    this.getData()
  },
  methods: {
    async getData() {
      var myChart = echarts.init(document.getElementById('map'))
      // var uploadedDataURL = '/asset/get/s/data-1528971808162-BkOXf61WX.json'
      myChart.showLoading()
      // $.getJSON(uploadedDataURL, function(geoJson) {
      echarts.registerMap('china', this.geoJson)
      myChart.hideLoading()
      var geoCoordMap = {
        '台湾': [121.5135, 25.0308],
        '黑龙江': [127.9688, 45.368],
        '内蒙古': [110.3467, 41.4899],
        '吉林': [125.8154, 44.2584],
        '北京市': [116.4551, 40.2539],
        '辽宁': [123.1238, 42.1216],
        '河北': [114.4995, 38.1006],
        '天津': [117.4219, 39.4189],
        '山西': [112.3352, 37.9413],
        '陕西': [109.1162, 34.2004],
        '甘肃': [103.5901, 36.3043],
        '宁夏': [106.3586, 38.1775],
        '青海': [101.4038, 36.8207],
        '新疆': [87.9236, 43.5883],
        '西藏': [91.11, 29.97],
        '四川': [103.9526, 30.7617],
        '重庆': [108.384366, 30.439702],
        '山东': [117.1582, 36.8701],
        '河南': [113.4668, 34.6234],
        '江苏': [118.8062, 31.9208],
        '安徽': [117.29, 32.0581],
        '湖北': [114.3896, 30.6628],
        '浙江': [119.5313, 29.8773],
        '福建': [119.4543, 25.9222],
        '江西': [116.0046, 28.6633],
        '湖南': [113.0823, 28.2568],
        '贵州': [106.6992, 26.7682],
        '云南': [102.9199, 25.4663],
        '广东': [113.12244, 23.009505],
        '广西': [108.479, 23.1152],
        '海南': [110.3893, 19.8516],
        '上海': [121.4648, 31.2891]

      }
      var data = [
        { name: '北京', value: 199 },
        { name: '天津', value: 42 },
        { name: '河北', value: 102 },
        { name: '山西', value: 81 },
        { name: '内蒙古', value: 47 },
        { name: '辽宁', value: 67 },
        { name: '吉林', value: 82 },
        { name: '黑龙江', value: 123 },
        { name: '上海', value: 24 },
        { name: '江苏', value: 92 },
        { name: '浙江', value: 114 },
        { name: '安徽', value: 109 },
        { name: '福建', value: 116 },
        { name: '江西', value: 91 },
        { name: '山东', value: 119 },
        { name: '河南', value: 137 },
        { name: '湖北', value: 116 },
        { name: '湖南', value: 114 },
        { name: '重庆', value: 91 },
        { name: '四川', value: 125 },
        { name: '贵州', value: 62 },
        { name: '云南', value: 83 },
        { name: '西藏', value: 9 },
        { name: '陕西', value: 80 },
        { name: '甘肃', value: 56 },
        { name: '青海', value: 10 },
        { name: '宁夏', value: 18 },
        { name: '新疆', value: 180 },
        { name: '广东', value: 123 },
        { name: '广西', value: 59 },
        { name: '海南', value: 14 }
      ]
      // var max = 480; var min = 9 // todo
      // var maxSize4Pin = 100; var minSize4Pin = 20

      var convertData = function(data) {
        var res = []
        for (var i = 0; i < data.length; i++) {
          var geoCoord = geoCoordMap[data[i].name]
          if (geoCoord) {
            res.push({
              name: data[i].name,
              value: geoCoord.concat(data[i].value)
            })
          }
        }
        return res
      }

      const option = {
        // backgroundColor: {// 背景颜色
        //   type: 'linear',
        //   x: 0,
        //   y: 0,
        //   x2: 1,
        //   y2: 1,
        //   colorStops: [{
        //     offset: 0, color: '#0f378f' // 0% 处的颜色
        //   }, {
        //     offset: 1, color: '#00091a' // 100% 处的颜色
        //   }],
        //   globalCoord: false // 缺省为 false
        // },
        title: {
          top: 20,
          text: '全国会员活跃度',
          subtext: '',
          x: 'center',
          textStyle: {
            color: '#333'
          }
        },

        tooltip: {
          trigger: 'item',
          formatter: function(params) {
            if (typeof (params.value)[2] === 'undefined') {
              return params.name + ' : ' + params.value
            } else {
              return params.name + ' : ' + params.value[2]
            }
          }
        },
        /*   legend: {
            orient: 'vertical',
            y: 'bottom',
            x: 'right',
             data:['pm2.5'],
            textStyle: {
                color: '#fff'
            }
        },*/
        legend: {
          orient: 'vertical',
          y: 'bottom',
          x: 'right',
          data: ['pm2.5'],
          textStyle: {
            color: '#fff'
          }
        },
        visualMap: {
          show: false,
          min: 0,
          max: 500,
          left: 'left',
          top: 'bottom',
          text: ['高', '低'], // 文本，默认为数值文本
          calculable: true,
          seriesIndex: [1],
          inRange: {

          }
        },
        geo: {
          map: 'china',
          show: true,
          roam: true,
          label: {
            normal: {
              show: false
            },
            emphasis: {
              show: false
            }
          },
          itemStyle: {
            normal: {
              areaColor: '#3a7fd5',
              borderColor: '#0a53e9', // 线
              shadowColor: '#092f8f', // 外发光
              shadowBlur: 20
            },
            emphasis: {
              areaColor: '#0a2dae'// 悬浮区背景
            }
          }
        },
        series: [
          {

            symbolSize: 5,
            label: {
              normal: {
                formatter: '{b}',
                position: 'right',
                show: true
              },
              emphasis: {
                show: true
              }
            },
            itemStyle: {
              normal: {
                color: '#fff'
              }
            },
            name: 'light',
            type: 'scatter',
            coordinateSystem: 'geo',
            data: convertData(data)

          },
          {
            type: 'map',
            map: 'china',
            geoIndex: 0,
            aspectScale: 0.75, // 长宽比
            showLegendSymbol: false, // 存在legend时显示
            label: {
              normal: {
                show: false
              },
              emphasis: {
                show: false,
                textStyle: {
                  color: '#fff'
                }
              }
            },
            roam: true,
            itemStyle: {
              normal: {
                areaColor: '#031525',
                borderColor: '#FFFFFF'
              },
              emphasis: {
                areaColor: '#2B91B7'
              }
            },
            animation: false,
            data: data
          },
          {
            name: 'Top 5',
            type: 'scatter',
            coordinateSystem: 'geo',
            symbol: 'pin',
            symbolSize: [50, 50],
            label: {
              normal: {
                show: true,
                textStyle: {
                  color: '#fff',
                  fontSize: 9
                },
                formatter(value) {
                  return value.data.value[2]
                }
              }
            },
            itemStyle: {
              normal: {
                color: '#D8BC37' // 标志颜色
              }
            },
            data: convertData(data),
            showEffectOn: 'render',
            rippleEffect: {
              brushType: 'stroke'
            },
            hoverAnimation: true,
            zlevel: 1
          }

        ]
      }
      myChart.setOption(option)
    }
  }
}
</script>
